Q: Game quality on a variety of systems?

Taking advantage of asking me anything, Steve says:

If one writes a book, the reader gets exactly what the writer put across.  Doesn't matter what format they read it in - it's basically the same experience. But with video games, everyone’s machines are different, from ancient to cutting edge. With all the variables of OS, RAM, video cards, and everything else thrown in as well.  Which have changed since you began the project and will have changed again by th...